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How do you exit from a void function in C++?
How can you prematurely exit from a function without returning a value if it is a void function? I have a void method that needs to not execute its code if a certain condition is true. I really don't want to have to change the method to actually return a value.
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UITextField - capture return button event
How can I detect when a user pressed "return" keyboard button while editing UITextField?
I need to do this in order to dismiss keyboard when user pressed the "return" button.
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How does a debugger work?
I keep wondering how does a debugger work? Particulary the one that can be 'attached' to already running executable. I understand that compiler translates code to machine language, but then how does debugger 'know' what it is being attached to?
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How do I add the contents of an iterable to a set?
...s the "one [...] obvious way" to add all items of an iterable to an existing set ?
6 Answers
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list_display - boolean icons for methods
When defining the list_display array for a ModelAdmin class, if a BooleanField or NullBooleanField is given the UI will use nice looking icons instead of True/False text in the column. If a method that returns a boolean is given, however, it simply prints out True/False.
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Difference between a Factory, Provider and a Service?
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Factory: Assembles classes, either by composing a bunch of bits together, or choosing type based on some kind of context
Provider: Provider is something microsoft "invented" (basically an abstract factory pattern) that is a way of doing a factory of factories, or havi...
Find out whether radio button is checked with JQuery?
I can set a radio button to checked fine, but what I want to do is setup a sort of 'listener' that activates when a certain radio button is checked.
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How to create abstract properties in python abstract classes
In the following code, I create a base abstract class Base . I want all the classes that inherit from Base to provide the name property, so I made this property an @abstractmethod .
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What are the Dangers of Method Swizzling in Objective-C?
I have heard people state that method swizzling is a dangerous practice. Even the name swizzling suggests that it is a bit of a cheat.
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How Do I Document Packages in Java?
In the Java APIs I can see Javadoc comments for packages.
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